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CFA #5 Space Technologies

CFA #5 Space Technologies. 8.ETS1.2) Research and communicate information to describe how data from technologies (telescopes, spectroscopes, satellites, and space probes) provide information about objects in the solar system and universe Remember to write two facts from each slide OR

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CFA #5 Space Technologies

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  1. CFA #5Space Technologies 8.ETS1.2) Research and communicate information to describe how data from technologies (telescopes, spectroscopes, satellites, and space probes) provide information about objects in the solar system and universe Remember to write two facts from each slide OR Answer the questions on the slide Once you are finished, watch the video on Mrs. Peterman’s webpage titled CFA #5 Space Technologies Video

  2. Space Technologies • Each space technologies has a different purpose or job: • Telescope • Land and Orbiting • Satellites • Spectroscopes • Space Probes

  3. Telescopes • Refracting • Use lenses to collect light and produce images • Reflecting • Use mirrors to collect light and produce images • Example: Hubble Telescope has a mirror about 8 feet in diameter

  4. Telescopes • Land based telescopes collect light and electromagnetic waves to see planets, moons, and sometimes other galaxies. • Land based telescopes are limited by our atmosphere • Orbiting telescopes are launched beyond our atmosphere and have a much clearer view to collect light and electromagnetic waves for planets, moons and other galaxies.

  5. Question • Explain the primary function of the Hubble telescope? (Hint use slides 3 and 4) 2. Astronomers use optical telescopes to observe stars but not planets beyond our solar system. Why would optical telescopes not be used to observe planets beyond our solar system?

  6. Satellites • Orbit Earth above the atmosphere • Study and monitor our Earth • Record temperatures, track our Earth resources, study our oceans, and record Earth’s systems • Many satellites are used for communication on Earth • Earth satellite is designed with a specific job

  7. Spectroscopes • Use visible light and separates into color spectrums with absorption lines • Each element has a specific pattern of absorption lines • Spectroscopes are used to identify the element composition of distance stars • Example of spectroscope data:

  8. Question Use the spectrum to the left to determine element composition of the Mystery Sun. (Hint: Mystery Sun is composed of more than one element) Explain how to determine if the “Mystery Sun” is moving away. (Hint: Red Shift)

  9. Space Probes • Used to collect data from distant planets • Record weather patterns, collect soil samples, measure temperatures, and electromagnetic wave readings • Space probes are designed to radio transmit collected data back to Earth • Some space probes are designed to land on other planet. These are called landers or rovers • Some space probes are designed to orbit other planets • Some space probes are designed to travel far into space

  10. Questions • Explain why NASA would want to design a space probe to travel to a distance planet instead of using a telescope to take pictures? • What information could a space probe collect while on mission to another planet?

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